.. propellants .. _`propellants_link`: .. This file is generated by "build_propellants_page.py" Propellants =========== The table below displays the propellants built in to RocketCEA. Click any of the names to see the card deck submitted to CEA for that propellant. If your propellant is not included, or if you disagree with the definitions, new propellants can be added, and existing propellants can be modified. Any use of RocketCEA begins with an import statement and an instance of CEA_Obj:: from rocketcea.cea_obj import CEA_Obj C = CEA_Obj( oxName='N2O4', fuelName='MMH') Bipropellant runs use **oxName** and **fuelName** to define propellants. For Monopropellants and Solid Propellants, the instance of CEA_Obj uses **propName**:: from rocketcea.cea_obj import CEA_Obj C = CEA_Obj( propName='HYD40') `Click Propellant Name to View Definition` .. raw:: html
Oxidizers
90_H2O298_H2O2AIRAIRSIMPCLF3CLF5F2GO2
GOXH2OH2O2HAN315HNO3IRFNALO2LO2_NASA
LOXMON15MON25MON3N2F4N2H4N2ON2O3
N2O4N2O_nbpO2OF2Peroxide90Peroxide98    
Fuels
A50AcetyleneALAPB2H6C2H2C2H5OHC2H6
C2H6_167C3H8CFxCH3OHCH4CINCHDMAZECP_dimer
EthanolETHANOLGasolineGCH4GH2GH2_160H2H2O
HTPBIsopropanolJetAJP10JP4JPXKeroseneKerosene90_H2O10
LCH4_NASALH2LH2_NASAM20M20_NH3MethanolMETHANOLMHF3
MMHN2H4NH3NITROMETHANEPropanePropylenepropyleneRP1
RP1_NASARP_1UDMH          
Monoprop & Solid
AMT_2091AP10_RDX25_HTPBARC311ARC448ARC452ARC457HAN269HAN315
HPB24HYD40            
Special Blends -------------- There are a number of special blends that can be created when making an instance of CEA_Obj. Hydrazine Monopropellant ************************ The performance of :ref:`Hydrazine Monopropellant ` engines is driven by the amount of ammonia dissociation that the catalyst bed delivers. Any amount of ammonia dissociation can be run by calling out the **propName** as "HYD" + weight percent dissociation. Note that the CEA FORTRAN code has been modified to include "Undissociated Ammonia (UA)" as an exhaust product. The CEA input also includes an "omit NH3" statement to prevent normal NH3 calculations. The examples below call out 30, 40 and 50 percent ammonia dissociation.:: C = CEA_Obj( propName='HYD30') C = CEA_Obj( propName='HYD40') C = CEA_Obj( propName='HYD50') MMH + N2H4 ********** Mixtures of MMH and N2H4 are often used to suppress the freezing point of N2H4. M20 is a common mixture (20% MMH + 80% N2H4 by weight). The examples below call out 10, 20 and 30 percent MMH:: C = CEA_Obj( oxName='N2O4', fuelName='M10') C = CEA_Obj( oxName='N2O4', fuelName='M20') C = CEA_Obj( oxName='N2O4', fuelName='M30') Mixed Oxides of Nitrogen ************************ Mixtures of N2O4 and NO are often used to suppress the freezing point of N2O4. MON25 is a common mixture (25% NO + 75% N2O4 by weight). When NO is added to N2O4, there are two main equilibrium reactions:: N2O4 <==> 2 NO2 NO + NO2 <==> N2O3 For this reason, the input cards for MON oxidizers include N2O4 and N2O3. The weight percentages are calculated based on the equilibrium equations above. The examples below call out MON oxidizers with 15, 20 and 25 percent NO:: C = CEA_Obj( oxName='MON15', fuelName='MMH') C = CEA_Obj( oxName='MON20', fuelName='MMH') C = CEA_Obj( oxName='MON25', fuelName='MMH') Peroxide + Water **************** Peroxide is often blended with water in order to enhance its stability and improve its safety. While the debate about an appropriate blend of Peroxide rages on, analyzing it with RocketCEA simply requires calling it out as "Peroxide" + weight percent Peroxide. The examples below call out 90, 95 and 98 percent Peroxide:: C = CEA_Obj( propName='Peroxide90') C = CEA_Obj( propName='Peroxide95') C = CEA_Obj( propName='Peroxide98') C = CEA_Obj( oxName='Peroxide98', fuelName="MMH") FLOX **** FLOX is a mixture of Fluorine and Oxygen. Call out the mixture as "FLOX" + weight percent of Fluorine. The examples below call out 60, 70 and 80 percent Fluorine:: C = CEA_Obj( oxName='FLOX60', fuelName="LH2") C = CEA_Obj( oxName='FLOX70', fuelName="LH2") C = CEA_Obj( oxName='FLOX80', fuelName="LH2") Oxidizers --------- .. raw:: html 90_H2O2 ******* :: oxid H2O2(L) H 2 O 2 wt%=90.00 h,cal=-44880.0 t(k)=298.15 rho.g/cc=1.407 oxid = WATER H 2.0 O 1.0 wt%= 10.0 h,cal=-68317. t(k)=298.15 rho.g/cc=1.0 .. raw:: html 98_H2O2 ******* :: oxid H2O2(L) H 2 O 2 wt%=98.00 h,cal=-44880.0 t(k)=298.15 rho.g/cc=1.407 oxid = WATER H 2.0 O 1.0 wt%= 2.0 h,cal=-68317. t(k)=298.15 rho.g/cc=1.0 .. raw:: html AIR *** :: oxid Air wt%=100.00 h,cal=-28.2 t(k)=298.15 .. raw:: html AIRSIMP ******* :: oxid AIRSIMP N 1.5622 O .4192 Ar .0093 h,cal=0. t(k)=298.15 .. raw:: html CLF3 **** :: oxid CLF3(L) CL 1 F 3 wt%=100.00 h,cal=-45680.0 t(k)=298.15 .. raw:: html CLF5 **** :: oxid CLF5(L) CL 1 F 5 wt%=100.00 h,cal=-60500.0 t(k)=298.15 .. raw:: html F2 ** :: oxid F2(L) F 2 h,cal=-3098. t(k)=82.02 wt%=100. .. raw:: html GO2 *** :: oxid O2(G) O 2 h,cal=0. t(k)=298.15 wt%=100. .. raw:: html GOX *** :: oxid O2(G) O 2 h,cal=0. t(k)=298.15 wt%=100. .. raw:: html H2O *** :: oxid water H 2.0 O 1.0 wt%=100.0 h,cal=-68308. t(k)=298.15 rho,g/cc = 0.9998 .. raw:: html H2O2 **** :: oxid H2O2(L) H 2 O 2 wt%=100.00 h,cal=-44880.0 t(k)=298.15 rho.g/cc=1.407 .. raw:: html HAN315 ****** :: oxid = HAN C 0.064 H 4.296 N 2.062 O 4.1 P 0.008 wt%= 44.5 h,cal=-93980. t(k)=298.15 rho.g/cc=1.685 oxid = HEHN C 2.0 H 9.0 N 3.0 O 4.0 wt%= 44.5 h,cal=-108000. t(k)=298.15 rho.g/cc=1.428 oxid = WATER H 2.0 O 1.0 wt%= 11.0 h,cal=-68000. t(k)=298.15 rho.g/cc=1.0 .. raw:: html HNO3 **** :: oxid HNO3(L) H 1 N 1 O 3 wt%=100.00 h,cal=-42460.0 t(k)=298.15 rho.g/cc=1.5027 .. raw:: html IRFNA ***** :: oxid IRFNA H 1.57216 N 1.62945 O 4.69505 F 0.02499 wt%=100.00 h,cal=-64860.0 t(k)=298.15 rho.g/cc=1.48 .. raw:: html LO2 *** :: oxid O2(L) O 2 h,cal=-3102. t(k)=90.18 wt%=100. .. raw:: html LO2_NASA ******** :: oxid O2(L) O 2 h,cal=-3102.055 t(k)=90.17 wt%=100. .. raw:: html LOX *** :: oxid O2(L) O 2 h,cal=-3102. t(k)=90.18 wt%=100. .. raw:: html MON15 ***** :: oxid N2O4(L) N 2 O 4 wt%=62.01 h,cal=-4676.0 t(k)=298.15 oxid N2O3 N 2 O 3 wt%=37.99 h,cal=12020.7 t(k)=298.15 .. raw:: html MON25 ***** :: oxid N2O4(L) N 2 O 4 wt%=36.67 h,cal=-4676.0 t(k)=298.15 oxid N2O3 N 2 O 3 wt%=63.33 h,cal=12020.7 t(k)=298.15 .. raw:: html MON3 **** :: oxid N2O4(L) N 2 O 4 wt%=100.00 h,cal=-4676.0 t(k)=298.15 .. raw:: html N2F4 **** :: oxid N2F4(L) N 2 F 4 h,cal=-5200.0 t(k)=199.0 wt%=100. .. raw:: html N2H4 **** :: oxid N2H4(L) N 2 H 4 wt%=100. h,cal=12100.0 t(k)=298.15 rho=1.0036 .. raw:: html N2O *** :: oxid NitrousOxide N 2.0 O 1.0 wt%=100.00 h,cal= 19467.0 t(k)=298.15 .. raw:: html N2O3 **** :: oxid N2O3(L) N 2 O 3 wt%=100.00 h,cal=12020.7 t(k)=298.15 .. raw:: html N2O4 **** :: oxid N2O4(L) N 2 O 4 wt%=100.00 h,cal=-4676.0 t(k)=298.15 .. raw:: html N2O_nbp ******* :: oxid NitrousOxide N 2.0 O 1.0 wt%=100.00 h,cal= 14583.0 t(k)=184.4 .. raw:: html O2 ** :: oxid O2(L) O 2 h,cal=-3102. t(k)=90.18 wt%=100. .. raw:: html OF2 *** :: oxid OF2(L) O 1 F 2 h,cal=2524. t(k)=167.0 wt%=100. .. raw:: html Peroxide90 ********** :: oxid H2O2(L) H 2 O 2 wt%=90.00 h,cal=-44880.0 t(k)=298.15 rho.g/cc=1.407 oxid = WATER H 2.0 O 1.0 wt%= 10.0 h,cal=-68317. t(k)=298.15 rho.g/cc=1.0 .. raw:: html Peroxide98 ********** :: oxid H2O2(L) H 2 O 2 wt%=98.00 h,cal=-44880.0 t(k)=298.15 rho.g/cc=1.407 oxid = WATER H 2.0 O 1.0 wt%= 2.0 h,cal=-68317. t(k)=298.15 rho.g/cc=1.0 Fuels ----- .. raw:: html A50 *** :: fuel C2H8N2(L),UDMH wt% 50. t(k) 298.15 h,cal=11900.0 t(k)=298.15 rho=.783 fuel N2H4(L) N 2 H 4 wt%=50. h,cal=12100.0 t(k)=298.15 rho=1.0036 .. raw:: html Acetylene ********* :: fuel Acetylene C 2 H 2 wt%=100. h,cal=54324. t(k)=198.3 rho=0.9 .. raw:: html AL ** :: fuel Aluminum t(k)=298.15 AL 1 wt%=100.00 h,cal=0.0 t(k)=298.15 .. raw:: html AP ** :: fuel NH4CLO4(I) wt%=100.00 .. raw:: html B2H6 **** :: fuel B2H6(L) B 2 H 6 h,cal=4970.0 t(k)=180.0 wt%=100. .. raw:: html C2H2 **** :: fuel Acetylene C 2 H 2 wt%=100. h,cal=54324. t(k)=198.3 rho=0.9 .. raw:: html C2H5OH ****** :: fuel C2H5OH(L) C 2 H 6 O 1 h,cal=-66370.0 t(k)=298.15 wt%=100. .. raw:: html C2H6 **** :: fuel C2H6(L) C 2 H 6 wt%=100. h,cal=-24797.0 t(k)=184.56 rho=0.5808 .. raw:: html C2H6_167 ******** :: fuel C2H6(L) C 2 H 6 wt%=100. h,cal=-25296.0 t(k)=167.0 rho=0.5808 .. raw:: html C3H8 **** :: fuel C3H8(L) C 3 H 8 wt%=100. h,cal=-30372. t(k)=231.08 rho=0.5808 .. raw:: html CFx *** :: fuel CFx C 1.0 F 1.0 wt%=100.00 h,cal=57863.0 t(k)=298.15 rho=1.8200 .. raw:: html CH3OH ***** :: fuel CH3OH(L) C 1 H 4 O 1 h,cal=-57040.0 t(k)=298.15 wt%=100. .. raw:: html CH4 *** :: fuel CH4(L) C 1 H 4 wt%=100. h,cal=-21390. t(k)=111.66 rho=0.4239 .. raw:: html CINCH ***** :: fuel CINCH(L) C 4. H 10. N 4. h,cal=66550. t(k)=298.15 wt%=100. .. raw:: html DMAZ **** :: fuel dmaz C 4.0 H 10.0 N 4.0 wt%= 100.00 h,cal=66548. t(k)=298.15 rho,g/cc = 0.93 .. raw:: html ECP_dimer ********* :: fuel ECP-dimer(L) C 10. H 10. h,cal=123600. t(k)=298.15 wt%=100. .. raw:: html Ethanol ******* :: fuel C2H5OH(L) C 2 H 6 O 1 h,cal=-66370.0 t(k)=298.15 wt%=100. .. raw:: html ETHANOL ******* :: fuel C2H5OH(L) C 2 H 6 O 1 h,cal=-66370.0 t(k)=298.15 wt%=100. .. raw:: html Gasoline ******** :: fuel Gasoline C 8 H 18 h,cal=-49809. t(k)=298.15 rho=0.7025 .. raw:: html GCH4 **** :: fuel CH4(G) C 1 H 4 h,cal=-17895.0 t(k)=298.15 wt%=100. .. raw:: html GH2 *** :: fuel H2(G) H 2 h,cal=0. t(k)=298.15 wt%=100. .. raw:: html GH2_160 ******* :: fuel H2(G) H 2 h,cal=-940. t(k)=160.0 wt%=100. .. raw:: html H2 ** :: fuel H2(L) H 2 h,cal=-2154.0 t(k)=20.27 wt%=100. .. raw:: html H2O *** :: fuel water H 2.0 O 1.0 wt%=100.0 h,cal=-68308. t(k)=298.15 rho,g/cc = 0.9998 .. raw:: html HTPB **** :: fuel R-45(HTPB FROM_RPL_DATA) C 7.3165 H 10.3360 O 0.1063 wt%=100.00 h,cal= 1200.0 t(k)=298.15 rho=0.9220 .. raw:: html Isopropanol *********** :: fuel C3H8O-2propanol C 3 H 8 O 1 wt%=100. h,cal=-65133. t(k)=298.15 rho=0.786 .. raw:: html JetA **** :: fuel Jet-A(L) C 12.0 H 23.0 h,cal=-72466.6 t(k)=298.15 rho=0.815 .. raw:: html JP10 **** :: fuel JP10 C 10 H 16 wt%=100.00 h,cal=-29350. t(k)=298.15 rho=0.9318 .. raw:: html JP4 *** :: fuel Kerosene C 1 H 1.9532 wt%=50.00 h,cal=-5769. t(k)=298.15 rho=0.8 fuel Gasoline C 8 H 18 wt%=50.00 h,cal=-49809. t(k)=298.15 rho=0.7025 .. raw:: html JPX *** :: fuel C2H8N2(L),UDMH wt%=60. t(k) 298.15 h,cal=11900.0 t(k)=298.15 rho=.783 fuel Kerosene C 1 H 1.9532 wt%=30.00 h,cal=-5769. t(k)=298.15 rho=0.8 fuel Gasoline C 8 H 18 wt%=30.00 h,cal=-49809. t(k)=298.15 rho=0.7025 .. raw:: html Kerosene ******** :: fuel Kerosene C 1 H 1.9532 h,cal=-5769. t(k)=298.15 rho=0.8 .. raw:: html Kerosene90_H2O10 **************** :: fuel Kerosene C 1 H 1.9532 wt%=90.00 h,cal=-5769. t(k)=298.15 rho=0.8 fuel = WATER H 2.0 O 1.0 wt%= 10.0 h,cal=-68317. t(k)=298.15 rho.g/cc=1.0 .. raw:: html LCH4_NASA ********* :: fuel CH4(L) C 1 H 4 wt%=100. h,cal=-21327.199 t(k)=111.643 rho=0.4239 .. raw:: html LH2 *** :: fuel H2(L) H 2 h,cal=-2154.0 t(k)=20.27 wt%=100. .. raw:: html LH2_NASA ******** :: fuel H2(L) H 2 h,cal=-2153.920 t(k)=20.27 wt%=100. .. raw:: html M20 *** :: fuel CH6N2(L) C 1 H 6 N 2 wt%=20.0 h,cal=12900.0 t(k)=298.15 rho=.874 fuel N2H4(L) N 2 H 4 wt%=80.0 h,cal=12100.0 t(k)=298.15 rho=1.0036 .. raw:: html M20_NH3 ******* :: fuel CH6N2(L) C 1 H 6 N 2 wt%=17.9 h,cal=12900.0 t(k)=298.15 rho=.874 fuel N2H4(L) N 2 H 4 wt%=71.6 h,cal=12100.0 t(k)=298.15 rho=1.0036 fuel NH3(L) N 1 H 3 wt%=10.5 h,cal=-17090. t(k)=298.15 rho=0.676 .. raw:: html Methanol ******** :: fuel CH3OH(L) C 1 H 4 O 1 h,cal=-57040.0 t(k)=298.15 wt%=100. .. raw:: html METHANOL ******** :: fuel CH3OH(L) C 1 H 4 O 1 h,cal=-57040.0 t(k)=298.15 wt%=100. .. raw:: html MHF3 **** :: fuel CH6N2(L) C 1 H 6 N 2 wt%=86.0 h,cal=12900.0 t(k)=298.15 rho=.874 fuel N2H4(L) N 2 H 4 wt%=14.0 h,cal=12100.0 t(k)=298.15 rho=1.0036 .. raw:: html MMH *** :: fuel CH6N2(L) C 1 H 6 N 2 wt%=100.00 h,cal=12900.0 t(k)=298.15 rho=.874 .. raw:: html N2H4 **** :: fuel N2H4(L) N 2 H 4 wt%=100. h,cal=12100.0 t(k)=298.15 rho=1.0036 .. raw:: html NH3 *** :: fuel NH3(L) N 1 H 3 wt%=100. h,cal=-17090. t(k)=298.15 rho=0.676 .. raw:: html NITROMETHANE ************ :: fuel nitroMethane C 1. H 3. N 1. O 2. wt%= 100.00 h,cal=-27030. t(k)=298.15 rho,g/cc =1.1371 .. raw:: html Propane ******* :: fuel C3H8(L) C 3 H 8 wt%=100. h,cal=-30372. t(k)=231.08 rho=0.5808 .. raw:: html Propylene ********* :: fuel C3H6,propylene C 3 H 6 wt%=100. h,cal=4776.92 t(k)=298.15 rho=0.0018 .. raw:: html propylene ********* :: fuel C3H6,propylene C 3 H 6 wt%=100. h,cal=4776.92 t(k)=298.15 rho=0.0018 .. raw:: html RP1 *** :: fuel RP-1 C 1 H 1.9423 h,cal=-5430. t(k)=298.15 rho=0.773 .. raw:: html RP1_NASA ******** :: fuel RP-1 C 1 H 1.95 h,cal=-5907.672 t(k)=298.15 rho=0.773 .. raw:: html RP_1 **** :: fuel RP-1 C 1 H 1.9423 h,cal=-5430. t(k)=298.15 rho=0.773 .. raw:: html UDMH **** :: fuel C2H8N2(L),UDMH wt% 50. t(k) 298.15 h,cal=11900.0 t(k)=298.15 rho=.783 Monoprop & Solid ---------------- .. raw:: html AMT_2091 ******** :: name NH4NO3 H 4.9968 O 3.7476 N 2.4984 wt%=75.00 h,cal=-109019.9966 t(k)=298.15 rho=1.7250 name (NH4)2CR2O7 H 3.1733 O 2.7766 N 0.7933 CR 0.7933 wt%=2.00 h,cal=-168780. t(k)=298.15 rho=2.1500 name A-20_GENPOL C 4.5500 H 7.1000 O 2.3900 wt%=7.24 h,cal=-111000. t(k)=298.15 rho=1.0380 name METHYL_ACRYLATE C 4.6464 H 6.9696 O 2.3232 wt%=11.08 h,cal=-111300. t(k)=298.15 rho=1.2000 name POLYSTYRENE C 7.6817 H 7.6817 wt%=3.957 h,cal=8000. t(k)=298.15 rho=1.0600 name MAKP C 5.3768 H 10.7535 O 1.5362 wt%=0.40 h,cal=-134060. t(k)=298.15 rho=0.8500 name CALCIUM_PHOSPHATE P 0.6447 CA 0.9671 O 2.5790 wt%=0.50 h,cal=-300500. t(k)=298.15 rho=3.1400 name TIN_OCTOATE C 3.9497 H 7.4057 O 0.9874 PB 0.0948 CU 0.1521 wt%=0.003 h,cal=-76120. t(k)=298.15 rho=1.0000 name LECITHIN C 5.5611 H 11.1223 O 1.2692 N 0.1208 wt%=0.18 h,cal=-63010. t(k)=298.15 rho=1.0220 .. raw:: html AP10_RDX25_HTPB *************** :: name NH4CLO4(I) wt%=10.0 name RDX C 1.3506 H 2.7011 O 2.7011 N 2.7011 wt%=25.00 h,cal=6610. t(k)=298.15 rho=1.8200 name R-45(HTPB FROM_RPL_DATA) C 7.3165 H 10.3360 O 0.1063 wt%=65.00 h,cal= 1200.0 t(k)=298.15 rho=0.9220 .. raw:: html ARC311 ****** :: name ARC311 H 3.919935 C 2.237043 N 2.300870 O 2.309573 wt%=100.00 h,cal= 3939.6 t(k)=298.15 rho=1.634 .. raw:: html ARC448 ****** :: name ARC448 H 3.359766 C 2.052322 N 1.932190 O 2.806300 wt%=100.00 h,cal= -36867.1 t(k)=298.15 rho=1.537 .. raw:: html ARC452 ****** :: name ARC452 H 3.694563 C 2.469813 N 1.041212 O 3.251794 wt%=100.00 h,cal= -67947.0 t(k)=298.15 rho=1.473 .. raw:: html ARC457 ****** :: name ARC457 H 4.080395 C 1.238333 N 1.677693 O 3.593891 wt%=100.00 h,cal= -80325.0 t(k)=298.15 rho=1.594 .. raw:: html HAN269 ****** :: name = HAN N 2.0 H 4.0 O 4.0 wt%= 69.15 h,cal=-80962. t(k)=298.15 rho,g/cc = 1.685 name = MEOH C 1.0 H 4.0 O 1.0 wt%= 15.46 h,cal=-57146. t(k)=298.15 rho,g/cc = 0.791 name = water H 2.0 O 1.0 wt%= 14.80 h,cal=-68256. t(k)=298.17 rho,g/cc=1.00 name = AN H 4.0 N 2.0 O 3.0 wt%= 0.59 h,cal=-87380. t(k)=298.17 rho,g/cc=1.725 .. raw:: html HAN315 ****** :: name = HAN C 0.064 H 4.296 N 2.062 O 4.1 P 0.008 wt%= 44.5 h,cal=-93980. t(k)=298.15 rho.g/cc=1.685 name = HEHN C 2.0 H 9.0 N 3.0 O 4.0 wt%= 44.5 h,cal=-108000. t(k)=298.15 rho.g/cc=1.428 name = WATER H 2.0 O 1.0 wt%= 11.0 h,cal=-68000. t(k)=298.15 rho.g/cc=1.0 .. raw:: html HPB24 ***** :: name = diss UA 0.6667 H 2.0000 N 1.3333 wt%= 71.46 h,cal=12094. t(k)=298.15 rho,g/cc = 1.004 name = water H 2.0 O 1.0 wt%=0.5 h,cal=-68308. t(k)=298.15 rho,g/cc = 0.9998 name = hydra H 4.0 N 2.0 wt%= 4.04 h,cal=12094. t(k)=298.15 rho,g/cc = 1.004 name = hydni N 3.000 H 5.000 O 3.000 wt%= 24.00 h,cal=-50477. t(k)=298.15 rho,g/cc = 1.647 .. raw:: html HYD40 ***** :: name = diss UA 0.800 H 1.600 N 1.200 wt%= 99.5 h,cal=12094. t(k)=298.15 rho,g/cc = 1.004 name = water H 2.0 O 1.0 wt%=0.5 h,cal=-68308. t(k)=298.15 rho,g/cc = 0.9998 ! THIS IS 40% AMMONIA DISSOCIATION omit NH3